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Finding the Fourth Proportional to 32,491.80, 44,838.90 and 19,742.40

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Solution

The fourth proportional to 32,491.80, 44,838.90 and 19,742.40 is: 27,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.80 : 44,838.90 = 19,742.40 : x
  2. Step 2: Convert to fraction form
    32,491.80/44,838.90 = 19,742.40/x
  3. Step 3: Cross multiply
    32,491.80x = 44,838.90 × 19,742.40
  4. Step 4: Simplify right side
    32,491.80x = 885,227,499.36
  5. Step 5: Solve for x
    x = 885,227,499.36/32,491.80
  6. Step 6: Final answer
    x = 27,244.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.